Freeware, Version 7.2, program for designing and analyzing telescope configurations.
http://www.atmos-software.it/Atmos.html
Areas covered include optics, woodworking, metalworking, electronics, programming, and telescope equipment, and tips and techniques.
http://www.atm-workshop.com/
Version 2.0 Windows® 95/98/NT program that simulates the appearance of a mirror while undergoing the Ronchi Test.
http://members.aol.com/RonWin20/
Freeware, Version 3.0, that generates star-testing images to show the effects of distortions influencing the quality of a telescope's performance.
http://aberrator.astronomy.net/
Article discussing ways to getting started and learning astronomy.
http://skyandtelescope.com/howto/basics/article_260_1.asp
Advice on buying a telescope, beginner's advice, eyepieces, and care and setup of telescope and accessories.
http://www.astro-tom.com/telescopes/telescopes.htm
Suggestions before purchasing a telescope.
http://departments.weber.edu/physics/planet/telescope.html
Getting ready, choosing, meaning of f/8, eye versus photos, observing techniques, and affecting factors.
http://www.geocities.com/CapeCanaveral/Lab/3230/info.html